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Examination of the Performance of Robust Numerical Methods for Singularly Perturbed Quasilinear Problems with Interior Layers

机译:含内层奇摄动拟线性问题鲁棒数值方法性能的检验

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Parameter-robust numerical methods for a particular class of singularly perturbed quasilinear boundary value problems were constructed and analysed in Farrell et al. (Math Comp 78:103-127, 2009). Certain constraints were imposed in Farrell et al. (Math Comp 78:103-127, 2009) on the data to establish the final theoretical error bound. In this companion paper to Farrell et al. (Math Comp 78:103-127, 2009), the parameter-uniform performance of the numerical method is examined (via numerical experiments) when one or more of these constraints are violated. The numerical results in this paper suggest that the numerical approximations converge for a wider class of problems to that covered by the theoretical convergence analysis in Farrell et al. (Math Comp 78:103-127, 2009).
机译:在Farrell等人中,构造并分析了一类特殊的奇摄动拟线性边值问题的参数鲁棒数值方法。 (Math Comp 78:103-127,2009)。 Farrell等人施加了某些约束。 (Math Comp 78:103-127,2009)对数据建立最终的理论误差界限。在Farrell等人的这篇随笔中。 (Math Comp 78:103-127,2009),当违反这些约束中的一个或多个约束时,将通过数值实验检查数值方法的参数均匀性能。本文的数值结果表明,数值近似收敛于更广泛的问题类别,与Farrell等人的理论收敛性分析所涵盖的问题近似。 (Math Comp 78:103-127,2009)。

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